<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>word wrap example</title>
    <link rel="stylesheet" href="css/style.css">
</head>
<body>
    <p>这是最长的单词，不换行显示，pneumonoultramicroscopicsilicovolcanoconiosis</p>
    <p class="word-wrap">这是最长的单词，强制换行显示，pneumonoultramicroscopicsilicovolcanoconiosis</p>
</body>
</html>